<!--
 * @Author: your name
 * @Date: 2021-06-01 15:06:52
 * @LastEditTime: 2021-06-01 21:18:33
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \遵义d:\HTML001\布局小技巧\3d\3d.html
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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="./3d.css">
    <script src="./jq.js"></script>
</head>
<body>
    <div class="wrap">
        <ul id="box">
        </ul>

        <div class="mask">
            <div class="bg-mask"></div>
        </div>
    </div>
 <script src="./3d.js"></script>   
</body>
</html>